CA2720226A1 - Dispositifs de filtration d'air - Google Patents

Dispositifs de filtration d'air Download PDF

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Publication number
CA2720226A1
CA2720226A1 CA2720226A CA2720226A CA2720226A1 CA 2720226 A1 CA2720226 A1 CA 2720226A1 CA 2720226 A CA2720226 A CA 2720226A CA 2720226 A CA2720226 A CA 2720226A CA 2720226 A1 CA2720226 A1 CA 2720226A1
Authority
CA
Canada
Prior art keywords
filter
filtering device
air filtering
bed
cartridge
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA2720226A
Other languages
English (en)
Other versions
CA2720226C (fr
Inventor
Pierre Legare
Gary E. Dwyer
Andrew Murphy
Simon J. Smith
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
3M Innovative Properties Co
Original Assignee
3M Innovative Properties Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Publication of CA2720226A1 publication Critical patent/CA2720226A1/fr
Application granted granted Critical
Publication of CA2720226C publication Critical patent/CA2720226C/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B01D46/103—Curved filtering elements
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/02—Masks
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B23/00—Filters for breathing-protection purposes
    • A62B23/02—Filters for breathing-protection purposes for respirators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0039—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices
    • B01D46/0047—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices for discharging the filtered gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/30—Particle separators, e.g. dust precipitators, using loose filtering material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
    • B01D46/521—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
    • B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/04—Supports for the filtering elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2221/00—Applications of separation devices
    • B01D2221/08—Mobile separation devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/06—Polluted air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/45—Gas separation or purification devices adapted for specific applications
    • B01D2259/4541—Gas separation or purification devices adapted for specific applications for portable use, e.g. gas masks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2273/00—Operation of filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2273/30—Means for generating a circulation of a fluid in a filtration system, e.g. using a pump or a fan

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Zoology (AREA)
  • Pulmonology (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

L'invention concerne des dispositifs de filtration dair contenant une première cartouche filtrante dotée dune entrée de cartouche, dune sortie de cartouche et dun lit filtrant incurvé présentant une surface concave disposée de telle sorte que lair à filtrer traverse lentrée, le lit filtrant incurvé et la sortie. Les dispositifs de filtration dair contiennent également un ensemble soufflante doté dune entrée de soufflante en communication fluidique avec la sortie de cartouche et dune sortie de soufflante, lensemble soufflante comprenant un moteur situé à proximité de la surface concave du lit filtrant incurvé. Laxe de rotation du moteur est adjacent au centre de courbure du lit filtrant incurvé. Les dispositifs de filtration dair peuvent être utilisés dans les respirateurs assistés à purification dair.
CA2720226A 2008-04-04 2009-03-26 Dispositifs de filtration d'air Expired - Fee Related CA2720226C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US4229908P 2008-04-04 2008-04-04
US61/042,299 2008-04-04
PCT/US2009/038371 WO2009145992A1 (fr) 2008-04-04 2009-03-26 Dispositifs de filtration d’air

Publications (2)

Publication Number Publication Date
CA2720226A1 true CA2720226A1 (fr) 2009-12-03
CA2720226C CA2720226C (fr) 2017-09-19

Family

ID=41377465

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2720226A Expired - Fee Related CA2720226C (fr) 2008-04-04 2009-03-26 Dispositifs de filtration d'air

Country Status (10)

Country Link
US (1) US9744493B2 (fr)
EP (1) EP2274067A4 (fr)
JP (2) JP2011518035A (fr)
KR (1) KR20110004412A (fr)
CN (2) CN105413324B (fr)
AU (1) AU2009251721B2 (fr)
BR (1) BRPI0906296A2 (fr)
CA (1) CA2720226C (fr)
RU (1) RU2458729C2 (fr)
WO (1) WO2009145992A1 (fr)

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US10702721B2 (en) * 2016-07-22 2020-07-07 Poma 22 Llc Hat and air filtration system

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Publication number Priority date Publication date Assignee Title
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Also Published As

Publication number Publication date
KR20110004412A (ko) 2011-01-13
AU2009251721B2 (en) 2012-05-03
RU2010140084A (ru) 2012-05-20
US20110126713A1 (en) 2011-06-02
RU2458729C2 (ru) 2012-08-20
CA2720226C (fr) 2017-09-19
CN105413324A (zh) 2016-03-23
WO2009145992A9 (fr) 2010-02-11
US9744493B2 (en) 2017-08-29
JP6140588B2 (ja) 2017-05-31
AU2009251721A1 (en) 2009-12-03
CN102026700A (zh) 2011-04-20
EP2274067A1 (fr) 2011-01-19
JP2014050836A (ja) 2014-03-20
CN105413324B (zh) 2017-12-22
WO2009145992A1 (fr) 2009-12-03
EP2274067A4 (fr) 2016-11-16
JP2011518035A (ja) 2011-06-23
BRPI0906296A2 (pt) 2015-07-07

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